Understanding the pathways leading to socioeconomic inequalities in HIV testing uptake in 18 sub-Saharan African countries: a mediation analysis preprint Ante-Testard, Pearl Anne Hamidouche, Mohamed Apouey, Bénédicte Baggaley, Rachel Larmarange, Joseph Benmarhnia, Tarik Temime, Laura Jean, Kévin © 2021, Posted by Cold Spring Harbor Laboratory. This pre-print is available under a Creative Commons License (Attribution-NonCommercial-NoDerivs 4.0 International), CC BY-NC-ND 4.0, as described at http://creativecommons.org/licenses/by-nc-nd/4.0/ medRxiv 2021-10-22 DOI 10.1101/2021.09.18.21263768